18978104

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4259}}^1$

素因数の和:4822

約数の個数: 16

約数和(自身を含む): 35656200

約数和(自身を除く): 16678096

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4259, 4456, 8518, 17036, 34072, 2372263, 4744526, 9489052, 18978104]

約数ペア:

[(1, 18978104), (2, 9489052), (4, 4744526), (8, 2372263), (557, 34072), (1114, 17036), (2228, 8518), (4259, 4456)]